Finding the Fourth Proportional to 2,938,896.40, 4,402,439.70 and 1,675,247.80
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Solution
The fourth proportional to 2,938,896.40, 4,402,439.70 and 1,675,247.80 is: 2,509,505.75
Step by Step Solution
- Step 1: Write the proportion equation
2,938,896.40 : 4,402,439.70 = 1,675,247.80 : x - Step 2: Convert to fraction form
2,938,896.40/4,402,439.70 = 1,675,247.80/x - Step 3: Cross multiply
2,938,896.40x = 4,402,439.70 × 1,675,247.80 - Step 4: Simplify right side
2,938,896.40x = 7,375,177,422,057.66 - Step 5: Solve for x
x = 7,375,177,422,057.66/2,938,896.40 - Step 6: Final answer
x = 2,509,505.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.